CN102161309A - Sealing strip and manufacture method thereof - Google Patents
Sealing strip and manufacture method thereof Download PDFInfo
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- CN102161309A CN102161309A CN2011100449680A CN201110044968A CN102161309A CN 102161309 A CN102161309 A CN 102161309A CN 2011100449680 A CN2011100449680 A CN 2011100449680A CN 201110044968 A CN201110044968 A CN 201110044968A CN 102161309 A CN102161309 A CN 102161309A
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- nonwoven fabrics
- sealing band
- adhesive linkage
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- Seal Device For Vehicle (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
Abstract
The invention provides a sealing strip and a manufacture method thereof, wherein the bonding performance between a nonwoven fabric layer and a sticking layer is prevented from being reduced so as to inhibit the decreasing of the appearance quality. The periphery of a vehicle door opening is equipped with a sealing strip. The sealing strip is equipped with a decoration part and a hollow sealing part. The section of the decoration part is substantially u-shaped. Meanwhile, the decoration part extends so as to form a lip part (18). On the design surface of the sealing strip, such as the external surface of the lip part (18), a nonwoven fabric layer (2) composing of nonwoven fabrics is formed with a resin sticking layer (25) arranged therebetween. The nonwoven fabric layer (26) is equipped with a colored decoration layer (26a) and a non-colored bonding layer (26b) bonded with the resin sticking layer (25).
Description
Technical field
The present invention relates to a kind of sealing band and manufacture method of in the circumference of car door opening peripheries such as automobile or car door, using thereof.
Background technology
Usually, circumference or the car door opening peripheral region at the car door of vehicles such as automobile is provided with sealing band.Sealing band has: section is the ornamental portion of U word shape roughly, and the circumference of itself and car door or the flange part of car door opening periphery are chimeric; And the sealing of hollow form, it is set to protrude from this ornamental portion.And, when closing of the door, by circumference and the crimping of sealing portion that makes car door opening periphery or car door, thus with sealing between car door and the vehicle body (car door opening periphery).
In recent years, exist by the design surface in sealing band and paste (bonding) nonwoven fabrics, thereby realize the situation (for example, with reference to patent documentation 1) of the raising of exterior quality.In the prior art, carry out non-woven cementation by following method etc., for example, adhesive-applying on sealing band, the method of bonding nonwoven fabrics after forming adhesive linkage, perhaps use laminated nonwoven fabric, make this laminated nonwoven fabric be crimped on the design surface of the sealing band after the sulfuration and carry out the method for heat bonding, wherein, laminated nonwoven fabric is to utilize thermal welding in advance and mount and form as the PE sheet of adhesive linkage (the adhering resin sheet of poly-vinyl resin (PE) system) on the nonwoven fabrics main body as decorative layer.
Patent documentation 1: TOHKEMY 2007-131096 communique
Summary of the invention
But, in order to improve exterior quality to implementing under the painted situation as the nonwoven fabrics of decorative layer, may cause the bonding force between this nonwoven fabrics and the adhesive linkage to reduce.
If the bonding force between nonwoven fabrics and the adhesive linkage reduces, then for example because and the friction between the roller member of manufacturing installation or the guide member etc., friction etc. when checking or during vanning etc., execute under the power-assisted situation to design surface, nonwoven fabrics is peeled off from adhesive linkage.The problems referred to above are not limited in the manufacturing process, at sealing band after vehicle is installed, also may be according to generations such as service condition.
Its result, the exterior quality that may cause peeling off of nonwoven fabrics to be produced reduces.
The present invention proposes in order to address the above problem a little, and its purpose is, a kind of sealing band and manufacture method thereof are provided, and it can reduce by realizing the adhesive property that suppresses between nonwoven layer and the adhesive linkage, reduces thereby suppress exterior quality.
Below, each method that the subitem explanation is suitable for addressing the above problem.In addition, as required, the peculiar action effect of the pairing method of note etc.
1. 1 kinds of sealing bands of method, it has: section is the ornamental portion of U word shape roughly, and it remains on the flange part of the circumference of car door of vehicle or car door opening periphery; And the sealing of hollow form, it is set to protrude from described ornamental portion, when closing of the door and the periphery crimping of car door opening periphery or car door,
The sealing bar is characterised in that at the outside face of described ornamental portion, form the nonwoven layer that is made of nonwoven fabrics across the resin bonding layer, and described nonwoven layer to have: the decorative layer that is colored; And uncoloured by adhesive linkage, itself and described resin bonding layer are bonding.
Here, so-called " not painted " is meant, it is painted not utilize colorants such as pigment or dyestuff to implement.Therefore, so-called uncoloured nonwoven fabrics is meant so-called white (comprising that water white fiber appears as the situation of white under reflection of light) nonwoven fabrics.
According to said method 1, constituted by adhesive linkage by the decorative layer that is colored with bonding uncoloured of resin bonding layer with the bonding nonwoven layer of the outside face of ornamental portion.Thus,, can utilize decorative layer to obtain beautiful outward appearance in face side, and, side overleaf, can utilize uncoloured obtained by adhesive linkage and the resin bonding layer between more firm bonding force.Its result, the adhesive property that suppresses between nonwoven layer and the resin bonding layer reduces, and suppresses peeling off of nonwoven layer, can realize suppressing the reduction of exterior quality thus.
In addition, by not painted (white) layer is set, the raw material color that can cover the sealing band main body is the black of EPDM rubber etc., and being easy to from the outside, the tone of the decorative layer of identification forms the color of being wanted.In addition, owing in the middle of will being arranged on by adhesive linkage,, that is, occur unexpected pattern to decorative layer on the decorative layer surface, exterior quality is reduced because the lining cement of resin bonding layer infiltrates so can reduce the generation of following problems.Its result can make the covering property raising of quality color, from the angle of tone, can obtain beautiful outward appearance and good texture.
And, do not need to consider to be used for the not equal of the different caused bonding forces of the painted colorant of decorative layer, and become to grade at each varietal change lining cement, can improve commonality.
In addition, the reduction of adhesive property is not only and is caused by colorant, sometimes also be by the stable medicament of colorant residual component residual or when cleaning the residue colorant is caused, owing to adhering at fiber surface under the situation of unnecessary material by painted processing, also causing reduction, is " fiber of not implementing painted processing " so " uncoloured fiber " also can be said to.
According to said method 2, have the action effect identical with said method 1.
According to said method 3, with for example form the double-ply situation and compare from the face side colored coating agent of a slice nonwoven fabrics etc., reduce the possibility that produces following problems, promptly, colorant infiltration to made by adhesive linkage with the resin bonding layer between the adhesive property reduction, can obtain the action effect of said method 1,2 more reliably.
According to said method 4, can obtain the action effect of said method 1 to 3 more reliably.In addition, if make by the thickness of adhesive linkage, then be difficult to form by adhesive linkage than 50 μ m little (approaching).In addition, the upper limit of thickness does not limit especially, if but blocked up, then in nonwoven layer, to peel off easily, so from economy and flexual angle, preferred thickness is to the 1mm.
The manufacture method of 5. 1 kinds of sealing bands of method, each described sealing band is characterized in that in its manufacture method 1 to 4, has following operation, that is:
Nonwoven fabrics forms operation, in this operation, the nonwoven fabrics that is colored by will constituting described decorative layer and to constitute described uncoloured nonwoven fabrics by adhesive linkage stacked twines the fiber of this nonwoven fabrics and integrated each other, thereby forms the nonwoven fabrics that constitutes described nonwoven layer;
The extrusion forming operation in this operation, is utilized and is not vulcanized ornamental portion and/or the lip extrusion forming of the closely knit rubber of EPDM with described sealing band, utilizes and does not vulcanize the EPDM expanded cellular rubber with the sealing extrusion forming;
Vulcanization process is in this operation, to the closely knit rubber of not sulfuration EPDM of described extrusion forming and do not vulcanize the EPDM expanded cellular rubber and vulcanize; And
Nonwoven layer forms operation, in this operation, on the outside face of the ornamental portion of the closely knit rubber of EPDM after the described sulfuration and/or lip, forms the nonwoven fabrics of operation formation via the resin bonding layer is bonding by described nonwoven fabrics, forms described nonwoven layer.
According to said method 5, have the action effect identical with said method 1,2.On this basis, in method 5, the nonwoven fabrics that is colored by will constituting decorative layer and to constitute above-mentioned uncoloured nonwoven fabrics by adhesive linkage stacked, utilize acupuncture processing etc. that the fiber of this nonwoven fabrics is twined each other and integrated, thereby form the nonwoven fabrics that constitutes nonwoven layer, therefore, also have the action effect identical with said method 3.In addition,, when forming decorative layer, do not need to carry out the control of following complexity according to this method, that is, guarantee specific thickness by adhesive linkage in, in the certain thickness scope, carry out painted etc. from face side.Its result, by dyed layer and not the operation that forms of the nonwoven fabrics of the double-layer structural that constitutes of dyed layer become than being easier to, can help the raising of capacity rating and cost to reduce.
Description of drawings
Fig. 1 is the oblique drawing of expression automobile.
Fig. 2 is the section-drawing of the sealing band in embodiment of expression.
Fig. 3 is the section-drawing of the middle formed body of expression sealing band.
Fig. 4 is the local amplification profile that is used to illustrate resin adhesive linkage and nonwoven layer.
Fig. 5 is the scheme drawing of a part of the manufacturing line of expression sealing band.
Fig. 6 is the section-drawing of the sealing band in expression other embodiment of the present invention.
The specific embodiment
Below, with reference to accompanying drawing, an embodiment is described.As shown in Figure 1, car door 2 can be set with opening and closing in side as the automobile 1 of vehicle, with car door opening 3 peripheries of car door 2 cooresponding body side, sealing band 4 is installed.The sealing band 4 of present embodiment mainly utilizes extrinsion pressing and moulding, and integral body forms ring-type.But, be not to form ring-type, also can use the shape of following specification, that is, for example in the following position of car door opening 3, with the liftoff configuration of end parts of sealing band 4 (extrusion forming body), between its end by coverings such as fenders.
As shown in Figure 2, sealing band 4 has ornamental portion 5 and sealing 6.The connecting part 13 that ornamental portion 5 has car inside side walls portion 11, car outside side wall portion 12 and two sidewalls 11,12 are linked, integral body forms roughly U word shape of section.Ornamental portion 5 constitutes, and utilizes the clad material of the closely knit rubber of EPDM (ethylene-propylene-diene copolymer) and buries metal insert 14 in inside underground.
On the inside face (car medial surface) of car outside side wall portion 12, a plurality of maintenance lips 15 that extend the inboard of integrally formed oriented ornamental portion 5 (car inboard), on the inside face (car lateral surface) of car inside side walls portion 11, the maintenance lip 16 that extend in the inboard of integrally formed oriented ornamental portion 5 (the car outside).Extended to form design lip 18 on connecting part 13, it covers the end of not shown Interior Parts such as ornamental trimming.Design lip 18 is equivalent to the lip in the present embodiment.In addition, also can use the sealing band of not burying insert in the inside of ornamental portion 5 underground.In addition, also can constitute and omit the maintenance lip, utilize the double-sided adhesive band to stick on the flange part.In addition, the material as the coating portion of ornamental portion 5 is not limited to the closely knit rubber of EPDM, and can use the micro-foaming material of proportion about 0.8～1.0 or proportion is 0.4～0.79 sponge material.In addition, be not limited to rubber, also can use thermoplastic elastomer (s).
In addition, on car door opening 3 peripheries, by the wainscot 21 of above-mentioned vehicle body and outer panels 22 are engaged, and form flange part 23, by ornamental portion 5 being entrenched on this flange part 23, thereby sealing band 4 is remained on car door opening 3 peripheries.
In addition, sealing 6 is set to, and the car of side wall portion 12 outside is protruded and formed outside car, utilizes the EPDM expanded cellular rubber to constitute hollow form.And, when car door 2 is closed, by making the periphery crimping of sealing 6 and car door 2, thereby seal between the vehicle body with car door 2 and automobile 1.
Under the installing condition of sealing band 4, from the roughly leading section of design lip 18 to the connecting part 13 of base end part and ornamental portion 5, car outside side wall portion 12 with sealing 6 bonded assembly connecting portions till scope in outside face, become the design surface D that shows outward appearance.Shown in the local amplification profile of Fig. 4, in this design surface D, across the resin bonding layer 25 of sheet (comprising membranaceous) and be formed with the nonwoven layer 26 that constitutes by nonwoven fabrics interior.In addition, design surface D comprises return portion and pastes nonwoven fabrics interior till the front end of design lip 18 shown in Fig. 2,3.
In addition, nonwoven layer 26 is a double-layer structural, by expression be the decorative layer 26a of outside face and be positioned at the inboard and with 25 bonding being constituted of resin bonding layer by adhesive linkage 26b.Decorative layer 26a is made of the nonwoven fabrics that is colored, and is made of uncoloured nonwoven fabrics by adhesive linkage 26b.On decorative layer 26a, for example implement painted with the color-match of indoor Interior Parts etc.In addition, implementing under the painted situation, owing to carry out painted situation and carry out painted situation with darker color and compare with more shallow color, gleyness is better, so by the most preferably uncoloured nonwoven fabrics of adhesive linkage 26b, but be not must only be complete uncoloured nonwoven fabrics, under the situation of decorative layer 26a, in by adhesive linkage 26b, can use nonwoven fabrics yet with more shallow color dyes with darker color dyes.
In the present embodiment, 26 single-piece thickness W1 are set at 500～2000 μ m with nonwoven layer, wherein, will be set at more than or equal to 50 μ m less than 1000 μ m by the thickness W2 of adhesive linkage 26b.In addition, in the present embodiment, be 100 μ m by the thickness W2 of adhesive linkage 26b.
Below, the manufacture method of above-mentioned sealing band 4 is described.Fig. 5 is the scheme drawing of a part of the manufacturing line of expression sealing band 4, in the figure, sealing band 4 on one side from the left side to right-hand advance manufactured on one side.
At first, in the extrusion forming operation, insert 14 is supplied with to rubber extruded machine 31 continuously with the EPDM half finished rubber.Then, under the state that utilizes the EPDM half finished rubber that insert 14 is coated, from the mould of rubber extruded machine 31, the middle formed body 32 (with reference to Fig. 3) as the main part of sealing band 4 is carried out extrusion forming.In this stage, with the ornamental portion 5 cooresponding positions of burying insert 14 underground, pushing with deployed condition as shown in Figure 3 is substantially planar.
Then, in vulcanization process, the middle formed body 32 that is squeezed into is guided to high-frequency vulcanization groove (UHF) 33, implement once sulfuration.Then, to dry heat cure groove (HAV) 34 guiding, implement post-cure, thereby finish sulfuration.
Then, form in the operation, on middle formed body 32, form nonwoven layer 26 in nonwoven layer.In more detail, extract out in advance and form the laminated nonwoven fabric 35 that operation is made via nonwoven fabrics, to the middle formed body 32 that becomes relatively-high temperature in just sulfuration back with the cooresponding position of design surface D on crimping.
The manufacture method (nonwoven fabrics formation operation) of laminated nonwoven fabric 35 here, is described.Manufacturing constitutes the nonwoven fabrics of decorative layer 26a and constitutes by the nonwoven fabrics of adhesive linkage 26b at first, respectively.As manufacture method, can adopt manufacture method arbitrarily such as damp process, dry process, spraying.And, implement painted to the nonwoven fabrics that constitutes decorative layer 26a.
Then, will constitute the nonwoven fabrics of decorative layer 26a and constitute stackedly by the nonwoven fabrics of adhesive linkage 26b, any means by acupuncture processing etc. be twined the fiber of this nonwoven fabrics each other, as 1 nonwoven fabrics and integrated.Thus, can obtain constituting the nonwoven fabrics (non-woven fabric laminate) of nonwoven layer 26.
Then, apply by hot melt, will as the PE sheet of resin bonding layer 25 mount this non-woven fabric laminate by adhesive linkage 26b side.Thus, finish laminated nonwoven fabric 35.
As noted above, on formed body 32 in the middle of laminated nonwoven fabric 35 is crimped on, thereby make the fusion of PE sheet, above-mentioned laminated nonwoven fabric 35 heat are deposited on the middle formed body 32.That is, the operation that the above-mentioned hot melt that obtains non-woven fabric laminate, laminated nonwoven fabric 35 and this laminated nonwoven fabric 35 applies, the nonwoven fabrics that is equivalent in the present embodiment forms operation.
Middle formed body 32 via after the nonwoven layer formation operation utilizes bending machine 37 to carry out bending machining, forms the roughly ornamental portion 5 of U word shape of section.Then, utilize cutting tool 38 to cut off, and obtain sealing band 4 with the size of regulation.
Shown in above detailed record, in the present embodiment, owing to the nonwoven layer 26 on the design surface D of the sealing bands such as outside face 4 that are formed on design lip 18, nonwoven fabrics by polyester fiber system constitutes, so can form the outward appearance of the Fabric Style identical with using the situation of weaving cotton cloth, can obtain beautiful outward appearance, texture is also fine.On the other hand, owing to use the high nonwoven fabrics of capacity rating, so can produce with low cost.
In addition, in the present embodiment, nonwoven layer 26 is constituted by adhesive linkage 26b by the decorative layer 26a that is colored with bonding uncoloured of resin bonding layer 25.Thus,, can obtain beautiful outward appearance by decorative layer 26a in face side, and, side overleaf, can utilize uncoloured by adhesive linkage 26b, obtain and resin bonding layer 25 between more firm bonding force.Its result prevents that the adhesive property between nonwoven layer 26 and the resin bonding layer 25 from reducing, and prevents peeling off of nonwoven layer 26, thus, can suppress exterior quality and reduce.And it is different and/or be accompanied by the not equal of bonding force that residual medicine that painted processing generates etc. causes not need to consider to be used for the painted colorant of decorative layer 26a, and becomes to grade at the lining cement of each varietal change PE sheet, can improve commonality.
In addition,, can cover black, be easy to the color that the tone formation of the decorative layer 26a of identification is from the outside wanted as the EPDM rubber of raw material by not painted (white) layer is set.Its result can make the covering property raising of quality color, from the angle of tone, can obtain beautiful outward appearance and good texture.
In addition, in the present embodiment, stacked by the nonwoven fabrics and the formation that will constitute decorative layer 26a by the nonwoven fabrics of adhesive linkage 26b, utilize any means such as acupuncture processing, the fiber of this nonwoven fabrics is twined each other, as 1 nonwoven fabrics and integrated, thereby form the nonwoven fabrics (non-woven fabric laminate) that constitutes nonwoven layer 26.But, for example also can form double-deck from the face side colored coating agent of a slice nonwoven fabrics etc.But, in the case, may produce following problems, that is, the colorant infiltration is extremely by adhesive linkage 26b, and the adhesive property between feasible and the resin bonding layer 25 reduces.In addition, in the case, when forming decorative layer 26a, must carry out the control of following complexity, promptly, guarantee specific thickness by adhesive linkage 26b in, carry out in the certain thickness scope from face side painted etc., shown in present embodiment, with dyed layer with dyed layer is stacked and form the mode of the nonwoven fabrics of double-layer structural, its operation is relatively easy, can help the raising of capacity rating and cost to reduce.
In addition, constitute in the present embodiment, in the middle of the laminated nonwoven fabric 35 by the PE sheet of will mounting is crimped on the formed body 32 and carry out hot melt and apply, thereby form nonwoven layer 26.Therefore, when forming nonwoven layer 26, do not need the working procedure of coating of lining cement.In addition, because crimping on the middle formed body 32 that becomes relatively-high temperature after the firm sulfuration, so also needn't be provided for the heating process that hot melt applies in addition.Its result, make nonwoven layer 26 formation, be that the stickup of nonwoven fabrics becomes than being easier to, from this point, can realize the raising of capacity rating, can realize low cost.
In addition, by forming the structure of the resin bonding layer 25 wherein have sheet, thereby with to use lining cement to paste the structure of nonwoven fabrics different, can reduce the generation of following problems, that is, occur unexpected pattern owing to the infiltration of lining cement on the surface of decorative layer 26a, exterior quality reduces.
In addition, be not limited to the record content of above-mentioned embodiment, for example also can shown in following, implement.Certainly, also can be following not illustrative other application examples, modification.
(a) in the above-described embodiment, to with car door opening 3 peripheries of (before the side) car door 2 cooresponding body side on the sealing band 4 that is provided with specialize, but for circumference or tail gate at car door 2, tailgate, boot door (luggage-boot lid), roof door (slide roof panel) wait other circumference or the car door opening periphery relative with these on the sealing band that is provided with, also can use.
(b) as shown in Figure 6, also can constitute,, the outside face of ornamental portion 5 be become in the sealing band of design surface, in the outside face formation resin bonding layer 25 and the nonwoven layer 26 of ornamental portion 5 omitting design lip 18.
(c) in the above-described embodiment, as the raw material example that constitutes sealing band 4 EPDM is shown, but also can uses IR (isoprene rubber), CR (poly-chloroprene rubber) to wait other elastomeric material.
(d) in the above-described embodiment, PE is shown, but also can uses other resin material such as PP as the raw material example that constitutes resin bonding layer 25.
(e) constitute in the above-described embodiment, when forming nonwoven layer 26, for the nonwoven fabrics that forms this nonwoven layer 26, use the laminated nonwoven fabric 35 of mounting in advance, in the middle of this laminated nonwoven fabric 35 is crimped on the formed body 32 and carry out hot melt and apply as the PE sheet of resin bonding layer 25.The method of attaching of nonwoven fabrics is not limited to this, for example also can constitute, after just carrying out vulcanization process and be about to will supply with in the mode between middle formed body 32 and nonwoven fabrics as the PE sheet of resin bonding layer 25 before the crimping nonwoven fabrics.In addition, also can constitute, adhesive-applying on middle formed body 32, and paste nonwoven fabrics.
(f) constitute in the above-described embodiment, has the decorative layer 26a that is colored and uncoloured during in manufacturing by the nonwoven fabrics of adhesive linkage 26b, to constitute the nonwoven fabrics of decorative layer 26a and constitute stacked by the nonwoven fabrics of adhesive linkage 26b, utilize any means such as acupuncture processing, the fiber of this nonwoven fabrics is twined each other, as a slice nonwoven fabrics and integrated.But, form by dyed layer and not the method for the nonwoven fabrics of the double-layer structural that constitutes of dyed layer be not limited thereto.For example also can constitute, form double-layer structural from the face side colored coating agent of a slice nonwoven fabrics etc.
(g) in the above-described embodiment, 26 single-piece thickness W1 are set at 500～2000 μ m with nonwoven layer, wherein, will be set at more than or equal to 50 μ m less than 1000 μ m by the thickness W2 of adhesive linkage 26b.Certainly, nonwoven layer 26 single-piece thickness W1 and be not limited thereto by the thickness W2 of adhesive linkage 26b.But,, preferably be set at more than or equal to 50 μ m by the thickness W2 of adhesive linkage 26b to the major general from obtaining the angle of above-mentioned various action effects.
(h) in the above-described embodiment, the nonwoven fabrics of formation decorative layer 26a and formation are constituted by the nonwoven fabrics that with polyethylene terephthalate poly-ester fibress such as (PET) is the identical material of main component by the nonwoven fabrics of adhesive linkage 26b.Be not limited to this, also can make the nonwoven fabrics that constitutes decorative layer 26a and constitute, form by different materials respectively by the nonwoven fabrics of adhesive linkage 26b.The nonwoven fabrics that constitutes decorative layer 26a is formed by the good material of colour rendering, make formation by the nonwoven fabrics of adhesive linkage 26b by and resin bonding layer 25 between the good material of gleyness form.
(i) in the above-described embodiment, sealing band 4 being installed on the full week of car door opening 3 peripheries, but also can not being full week, for example also can be the local sealing band of installing.In addition, also can have mould molding portion in the part.
Claims (5)
1. sealing band, it has:
Section is the ornamental portion of U word shape roughly, and it remains on the flange part of the circumference of car door of vehicle or car door opening periphery; And
The sealing of hollow form, it is set to protrude from described ornamental portion, when closing of the door and the periphery crimping of car door opening periphery or car door,
The sealing bar is characterised in that,
At the outside face of described ornamental portion, form the nonwoven layer that constitutes by nonwoven fabrics across the resin bonding layer, and
Described nonwoven layer has: the decorative layer that is colored; And uncoloured by adhesive linkage, itself and described resin bonding layer are bonding.
2. sealing band according to claim 1 is characterized in that,
Described ornamental portion has the lip that extends to form from the outside face of this ornamental portion,
At least at the outside face of this lip, form the nonwoven layer that constitutes by nonwoven fabrics across the resin bonding layer, and
Described nonwoven layer has: the decorative layer that is colored; And uncoloured by adhesive linkage, itself and described resin bonding layer are bonding.
3. sealing band according to claim 1 and 2 is characterized in that,
Constituting the nonwoven fabrics of described nonwoven layer, is will constitute the nonwoven fabrics of described decorative layer and constitute described nonwoven layer by adhesive linkage to be stacked as one and to form.
4. according to each described sealing band in the claim 1 to 3, it is characterized in that,
Described thickness by adhesive linkage forms more than or equal to 50 μ m less than 1000 μ m.
5. the manufacture method of a sealing band, it makes each described sealing band in claim 1 to 4,
It is characterized in that having following operation, that is:
Nonwoven fabrics forms operation, in this operation, the nonwoven fabrics that is colored by will constituting described decorative layer and to constitute described uncoloured nonwoven fabrics by adhesive linkage stacked, the fiber that makes this nonwoven fabrics twine and integrated each other, thereby form the nonwoven fabrics that constitutes described nonwoven layer;
The extrusion forming operation in this operation, is utilized and is not vulcanized ornamental portion and/or the lip extrusion forming of the closely knit rubber of EPDM with described sealing band, utilizes and does not vulcanize the EPDM expanded cellular rubber with the sealing extrusion forming;
Vulcanization process is in this operation, to the closely knit rubber of not sulfuration EPDM of described extrusion forming and do not vulcanize the EPDM expanded cellular rubber and vulcanize; And
Nonwoven layer forms operation, in this operation, on the outside face of the ornamental portion of the closely knit rubber of EPDM after the described sulfuration and/or lip, forms the nonwoven fabrics of operation formation via the resin bonding layer is bonding by described nonwoven fabrics, forms described nonwoven layer.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010038715A JP5592668B2 (en) | 2010-02-24 | 2010-02-24 | Weather strip and manufacturing method thereof |
| JP2010-038715 | 2010-02-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102161309A true CN102161309A (en) | 2011-08-24 |
| CN102161309B CN102161309B (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110044968.0A Expired - Fee Related CN102161309B (en) | 2010-02-24 | 2011-02-24 | Sealing strip and manufacture method thereof |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5592668B2 (en) |
| CN (1) | CN102161309B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103660888A (en) * | 2012-09-05 | 2014-03-26 | 日本韦琳株式会社 | Non-woven fabric used for weather strip, and weather strip |
| CN104943623A (en) * | 2014-03-28 | 2015-09-30 | 日本韦琳株式会社 | Weather strip |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102490362B (en) * | 2011-12-12 | 2014-06-11 | 株洲时代新材料科技股份有限公司 | Adhesive bonding process of automotive air conditioning decorating part and sealing strip |
| WO2020194573A1 (en) | 2019-03-27 | 2020-10-01 | 三菱電機株式会社 | Spring buffer for elevator |
| KR102595316B1 (en) * | 2023-05-16 | 2023-10-27 | 서울켐텍(주) | Gasket for windows and doors and manufacturing method thereof |
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| CN103660888B (en) * | 2012-09-05 | 2017-05-24 | 日本韦琳株式会社 | Non-woven fabric used for weather strip, and weather strip |
| CN104943623A (en) * | 2014-03-28 | 2015-09-30 | 日本韦琳株式会社 | Weather strip |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5592668B2 (en) | 2014-09-17 |
| CN102161309B (en) | 2014-12-17 |
| JP2011173498A (en) | 2011-09-08 |
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